13D Filing: OrbiMed Advisors and Steadymed Ltd. (STDY)

CUSIP No.  M84920103

1

Names of Reporting Persons.

OrbiMed Advisors LLC

2

Check the Appropriate Box if a Member of a Group (See Instructions).

(a) o

(b) o

3

SEC Use Only

4

Source of Funds (See Instructions)

AF

5

Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)

o

6

Citizenship or Place of Organization

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

7

Sole Voting Power

0

8

Shared Voting Power

3,952,696 (1)

9

Sole Dispositive Power

0

10

Shared Dispositive Power

3,952,696 (1)

11

Aggregate Amount Beneficially Owned by Each Reporting Person

3,952,696 (1)

12

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

o

13

Percent of Class Represented by Amount in Row (11)

14.6% (2)

14

Type of Reporting Person (See Instructions)

IA